Method of treating fibrous material.



WNETED @TATE% PATEN l@..

FRANK PICARD AND ALFRED P. DUMAS, 0]? FALL RIVER, MASSACHUSETTS.

METHOD OF TREATING FIBROUS MATERIAL.

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No Drawing.

To all whom it may concern:

Be it known that we, FRANK PIOARD and 'ALFRED P. DUMAs, citizens of the United stiflener to be used in the construction of shoes, the said invention relating primarily to the provision of novel means for producing a boxing which will withstand heat or moisture Within predetermined bounds without becoming pliable or soft.

A further object of this invention is to produce a composition for coating or impregnating fibrous material for stiffening it, in which the in redients are comparatively inexpensive W iile the mode of application is of a simple nature and which can he applied without the exercise of greatskill.

With the foregoing and other objects in view, the invention consists in the ingredients and proportions and in the manner of applying the same, to be hereinafter more fully set forth and claimed.

In carrying out our invention, we employ rosin, gasoline, gum arabic, linseed oil and French clay, and we have found that the ingredients when used in the following proportions give the most satisfactory results, the said ingredients and their proportions being as follows:

Rosin, eighty parts,

Gasoline, twenty-four parts,

Gum arabic, two parts,

Linseed oil, one part,

French clay, sixteen parts.

We have also found that turpentine or kerosene may be substituted for the gasoline is found desirable.

The ingredients indicated are commingled and dissolved or brought to a solution by heating and the fibrous material such as felt- Specification of Letters Patent.

Patented @ct. 22, 19118.

Application filed August 4, 1917. Serial No. 184,438.

or cloth is then coated as well as saturated with the liquid and the treated felt or cloth is then subjected preferably to steam heat for the purpose of drying it and preferably at the time the coated fibrous material is subjected to the shaping process for the purpose of producing toe boxings for shoes and it is then cooled.

Shoe boxings or box toes made in accordance with the foregoing process have been found to be water-proof and unaffected by heat except it be abnormal.

In treating the fibrous material after it has been coated and saturated, the material is passed through or between rollers effective to press out part of'the solution and to remove the residue or superfluous material and also to densely pack the fiber. It is after the pressing operation that the fibrous material is subjected to the heat as heretofore indicated and the product is completed. 7

We claim:

1. The herein described method of treating fibrous material in the manufacture of box toes or blanks for shoe boxings consisting in coating and saturating said material with a composition comprising rosin, gasoline, gum arabic, linseed oil and French clay, pressing the coated material to remove superfluous composition and densely packing the fiber and subjecting the product to heat for drying and baking the same.

2. The herein described method of treating fibrous material in the manufacture of box toes or blanks for shoe boxings consisting in coating and saturating said material with a composition comprisng '80 parts rosin, 24 parts gasoline, two parts gum arabic, one part linseed oil and 16 parts French clay. pressing the coated material to remove superfluous composition and densely packing the fiber and subjecting the product to heatfor drying and baking the same.

FRANK PICARD. ALFRED r. DUMAS. 

